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Arrays

Hello

Have a simple question. I'm new to programming so bear with me. I want to create an array that is equal to the sum of two ints.

example

int smoking = 9;
int nonSmoking = 5;
int rooms[];

I want my array to equal the sum of those two variables. But yes I could just declare it 14. I'm asking my user for the number of available rooms storing it in the smoking or nonsmoking variable. Once the input is received I want those two variables to be the length of my array.